MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Aerospace Materials and Processes knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Aluminium alloys also have a system that indicates temper. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Aluminium alloys can be categorized into Cast and ___________ alloys. |
| A. | extrusions |
| B. | heat treatable |
| C. | non-heat treatable |
| D. | wrought |
| Answer» E. | |
| 3. |
Pitting of the surface is a kind of aluminium alloy __________ |
| A. | corrosion |
| B. | annealing |
| C. | strength |
| D. | manufacturing method |
| Answer» B. annealing | |
| 4. |
The final two digits in the nomenclature of aluminium alloys represent aluminium __________ |
| A. | impurity |
| B. | group |
| C. | purity |
| D. | strength |
| Answer» D. strength | |
| 5. |
Why has the aluminium association established a system of designating aluminium alloys? |
| A. | To create employment |
| B. | To remove confusion |
| C. | To encourage research |
| D. | To ensure availability |
| Answer» C. To encourage research | |
| 6. |
Which of the following is not an aluminium alloy? |
| A. | Al-Si |
| B. | Al-Zn |
| C. | Al-Mn |
| D. | Al-U |
| Answer» E. | |
| 7. |
Aluminium is __________ |
| A. | non-magnetic |
| B. | ductile |
| C. | magnetic |
| D. | non-magnetic and ductile |
| Answer» E. | |
| 8. |
Which of the following is not a common property for all aluminium alloys? |
| A. | Low strength |
| B. | Heat treatable |
| C. | Easy for machining |
| D. | Readily joined be welding |
| Answer» B. Heat treatable | |
| 9. |
The melting point of aluminium is ___________ |
| A. | 236 c |
| B. | 1085 c |
| C. | 660 c |
| D. | 1510 c |
| Answer» D. 1510 c | |
| 10. |
Aluminium alloys are used for constructing very few parts in an aircraft due to lack of availability. |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
The aluminium association has a designation system for aluminium alloys which are denoted by __________ digits. |
| A. | 23 |
| B. | 2 |
| C. | 9 |
| D. | 4 |
| Answer» E. | |
| 12. |
Which of the following are shapes used in the manufacturing of an aircraft? |
| A. | X-section |
| B. | U-section and Z-section |
| C. | X-section and Z-section |
| D. | U-section |
| Answer» C. X-section and Z-section | |
| 13. |
A ____________ process is carried out to get aluminium from the oxide alumina. |
| A. | electrolytic |
| B. | dynamite |
| C. | chromatography |
| D. | bakelite |
| Answer» B. dynamite | |
| 14. |
Aluminium weighs around __________ of steel. |
| A. | 2 times |
| B. | 1/2 |
| C. | 1/3 |
| D. | 4 times |
| Answer» D. 4 times | |
| 15. |
The primary commercial source for aluminium is ____________ |
| A. | coal |
| B. | bauxite |
| C. | magnetite |
| D. | pyrite |
| Answer» C. magnetite | |